WaveRunner GX1800 (F3L) GX1800A (F3K) SERVICE GUIDE 90894-64631-02...
This Service Guide has been prepared to provide Yamaha dealers with information about a new model (e.g., product concept, features, technical details). The information contained in this guide is essential to Yamaha dealer service staff for their daily cus- tomer service.
Contents Identification number.............1 Primary I.D. number ...............1 Engine serial number ..............1 Jet pump unit serial number ............1 Hull identification number (H.I.N.) ..........1 Model feature .................2 General feature ................2 Model equipment comparison table ..........3 Technical tips .................4 Engine control ................4 ECM circuit diagram ...............6 ECM coupler layout ................8 Engine control system ..............10 Self-diagnosis................13...
The jet pump unit serial number is stamped compartment. on a label attached to the intermediate hous- ing. PRI-I.D. MODEL YAMAHA MOTOR CO., LTD. ASSEMBLED IN U.S.A. FROM AMERICAN AND JAPANESE COMPONENTS. ASSEMBLÉ AUX ÉTATS-UNIS DE PIÈCES AMÉRICAINES ET JAPONAISES. 1. Model name 2.
Model feature Model feature General feature The FZR (F3L) and FZS (F3K) have been developed based on the FZR (F2R) and FZS (F2C) and a newly designed high output, 1.8L supercharged engine and a larger jet pump are adopted. The new 6EV engine, developed based on the 6AN engine, is fitted with a high-performance super- charger, large-sized air cooler, and high-efficiency oil cooler to achieve higher engine output.
Model equipment comparison table Model Total length 3.37 m (132.7 in) Width 1.23 m (48.4 in) Dry weight 375 kg (827 lb) 377 kg (831 lb) Seats *1 2- seater 3-seater *1: The rear seats “1” and handgrips “2” for the FZR and FZS have different shape. A.
Technical tips Technical tips Engine control The ECM controls ignition timing and fuel injection with information received from the sensors and switches installed on the engine as well as utilizing the base map saved in the ECM. Part name Function Cam position sensor Detects the rotational position of the camshaft.
Part name Function 13 APS Detects the opening angle of the throttle lever. Detects when the handlebar is turned all the way to the right or 14 Steering sensor left and a load is applied. 15 Reverse sensor Detects the R position of the shift lever.
Technical tips Engine control system Item Condition Action Remarks Overheat • Engine temperature • Opening angle of the ETV Cancel: warning con- rises rapidly in a is regulated. • Stop the engine and wait trol short time. • Maximum engine speed is for 30 seconds or more.
Item Condition Action Remarks ETV failure ETV failed, or open or • Opening angle of the ETV control short circuit is is fixed to the default detected in ETV opening angle. circuit. • Maximum engine speed is limited to approximately 2500 r/min.
Technical tips Item Condition Action Remarks Off-throttle Engine speed is sus- Slightly opens the throttle Throttle valve opening is steering tained at or above valve so that the watercraft controlled based on the (OTS) control 3000 r/min for several can maneuver. APS signal and the amount seconds and then of force applied to the...
Self-diagnosis While the engine is running, the diagnostic codes “a” can be checked by pushing the “Hour Volt” but- ton “b” for approximately 8 seconds. TIP: Because the multifunction meter cannot display more than 1 diagnostic code even if there are multi- ple diagnostic codes, using the YDIS is recommended.
Power unit The new 6EV engine, developed based on the 6AN engine, produces higher output. The engine components have been improved in strength and optimized for better functionality to handle higher output. Major changes Description Larger diameter impeller (from ø82 mm to ø86 mm) High-performance super- Addition of fins (from 5 fins to 7 fins) to increase supercharged charger...
Technical tips Major changes Description Thermostat valve opening temperature has been changed to optimize engine temperature and to reduce pollutants in the Thermostat exhaust gases. Cooling passages through exhaust manifold and exhaust man- Cooling water passage ifold gasket have been optimized to reduce thermal load. Provides better anti-knock property to correspond to higher 10 Premium gasoline engine output.
Major changes Description To correspond to the higher output engine, the type of thrust Intermediate housing washer has been changed for better sealing performance. The diameter has been increased from 155 mm (6.10 in) to Impeller 160 mm (6.30 in) to correspond to the higher output engine. To correspond to the higher output engine, the number of recti- Impeller duct fying fins has been increased from 6 fins to 8 fins.
Technical tips Lubrication system The 6EV engine features a wet-sump lubrication system. The oil cooler has been newly designed to regulate the engine temperature increase due to higher output. 1. Intake camshaft 13. Oil pump drive gear 2. Exhaust camshaft 14.
Hose routing A. From flushing hose connector B. From transom plate C. To cooling water pilot outlet on port side D. To drain joint (transom plate) E. To drain joint F. To drain joint G. To cooling water pilot outlet on starboard side H.
Technical tips Cooling water flow A. From flushing hose connector B. From transom plate C. To cooling water pilot outlet on port side D. To drain joint E. To exhaust valve F. To cooling water pilot outlet on star- board side G.
Service information Maintenance interval chart The following chart should be considered strictly as a guide to general maintenance intervals. Depending on the operating conditions, the maintenance intervals should be changed. Perform the pre-operation checks and post-operation checks before performing periodic maintenance. Initial Thereafter every Item...
Service information Initial Thereafter every Item Operation 50 hours or 100 hours or 200 hours or 10 hours 12 months *1 12 months *1 24 months *1 Check for exhaust leak- ○ Exhaust system age, and check hoses and clamps Check breather hose ○...
Width 1230 mm (48.4 in) Height 1160 mm (45.7 in) Dry weight GX1800 375 kg (827 lb) GX1800A 377 kg (831 lb) Maximum people on board GX1800 2 person GX1800A 3 person Maximum load capacity GX1800 160 kg (353 lb)
Specifications Jet pump unit Jet pump type Axial flow, single stage Impeller rotation Counterclockwise Impeller diameter 160 mm (6.30 in) Number of impeller blades 17.0 ° Impeller pitch angle Transmission Direct drive from engine 24.0+24.0 ° Jet thrust nozzle angle Trim adjusting system Manual 5 position -10, -5, 0, 5, 10 °...
Wiring diagram How to use the wiring diagram Legend symbols in the wiring diagrams Double color wire No wire connector Color code : Pink : Black : Pink/Black : Brown : Pink/Green : Black/Blue : Pink/Red : Black/Orange : Pink/White : Black/Red Pu/B : Purple/Black...
FZR, FZS Dual analog meter Remote control Main and receiver fuel pump Hour Volt button Reverse relay switch relay R Br Buzzer FREE PUSH PULL Fuse box Starter motor Br Br FREE Fuel sender Left handlebar PUSH switch Battery Speed sensor 1 4 8 12 1 8 14 20 3 7 11 14...
FZR, FZS A. To entry box B. Antenna a. Fuse (30 A) (battery) b. Fuse (20 A) (main and fuel pump relay) c. Fuse (10 A) (ETV relay) d. Fuse (10 A) (main and fuel pump relay) e. Fuse (3 A) (remote control receiver) f.